Abasic observation of a star is how bright it appears. this brightness is known as the star's
a. luminosity.
b. apparent magnitude.
c. absolute magnitude.
d. absent magnitude

What is the correct lewis structure for chloroform chcl3

What material does not melt at any temperature

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride